The engine control module (ECM), also known as the powertrain control module (PCM) or engine control unit (ECU), plays a crucial role in the operation and performance of modern vehicles.
This sophisticated computer system is responsible for monitoring and controlling a variety of functions within the vehicle’s engine and powertrain system. One of the primary functions of the ECM is to regulate the fuel mixture and ignition timing in the engine. By continuously analyzing data from various sensors, such as the oxygen sensor, throttle position …